1930–1940
Paul Wolff, 1935
Dr. Wolff & Tritschler OHG, 1937
Paul Wolff, 1942
Paul Wolff, 1933
Paul Wolff, 1936
Dr. Wolff & Tritschler OHG, 1930
Paul Wolff, 1931
Paul Wolff, 1934
Paul Wolff, 1930
Dr. Wolff & Tritschler OHG, 1934
Dr. Wolff & Tritschler OHG, 1935